Description:

This is a micro:bit IO port expansion board. It can pin out all the resources on the microbit while ob also comes with its own buzzer, which is connected to the P0 pin through a jumper cap, and can release the P0 pin through the jumper cap. The small and chic size is perfect for various small projects of microbit.

V2.0 Product parameters:

• Size:57*43*12mm
• Net weight:5737*12mm
• Power supply mode: USB port power supply
• Operating voltage:3V
• lObit V2.0
• Output current: 40ma (be careful not to use the IO port to drive devices that exceed the output current)
• Serial port pinout: Serial port can be mapped to IO port
• 12C port pinout:19/20 pins can only be used as 12C function pins, because microbit bottom, can not be used as ordinary IO port read and write.
• spi port pinout:4/15(IO can be read and write)